/*
 * Copyright 2013-2019 Xia Jun(3979434@qq.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ***************************************************************************************
 *                                                                                     *
 *                        Website : http://www.farsunset.com                           *
 *                                                                                     *
 ***************************************************************************************
 */
package com.workcell.workdata.im.service.impl;

import com.workcell.workdata.im.component.event.SubscriberEvent;
import com.workcell.workdata.im.entity.Subscriber;
import com.workcell.workdata.im.model.message.MicroEvent;
import com.workcell.workdata.im.repository.SubscriberRepository;
import com.workcell.workdata.im.service.SubscriberService;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;

@Service
public class SubscriberServiceImpl implements SubscriberService {

	@Resource
	private SubscriberRepository subscriberRepository;
	@Resource
	private ApplicationContext applicationContext;


	@Override
	public void add(Subscriber subscriber) {

		boolean isSubscribed = subscriberRepository.count(subscriber.getUid(),subscriber.getServerId()) > 0;
		if (isSubscribed) {
			return;
		}
		subscriber.setCreateTime(new Date());
		subscriberRepository.saveAndFlush(subscriber);
		applicationContext.publishEvent(new SubscriberEvent(subscriber, MicroEvent.ACTION_SUBSCRIBE));
	}


	@Override
	public void delete(Subscriber subscriber) {
		subscriberRepository.delete(subscriber.getUid(), subscriber.getServerId());
		applicationContext.publishEvent(new SubscriberEvent(subscriber,MicroEvent.ACTION_UNSUBSCRIBE));
	}

	@Override
	public List<Long> findUidList(long id) {
		return subscriberRepository.findUidList(id);
	}

}
